Correct consist dec (huggingface#5722)

* uP

* Update src/diffusers/models/consistency_decoder_vae.py

* uP

* uP

Author: patrickvonplaten

src/diffusers/models/autoencoder_asym_kl.py

@@ -138,6 +138,7 @@ def _decode(
     def decode(
         self,
         z: torch.FloatTensor,
+        generator: Optional[torch.Generator] = None,
         image: Optional[torch.FloatTensor] = None,
         mask: Optional[torch.FloatTensor] = None,
         return_dict: bool = True,

src/diffusers/models/autoencoder_tiny.py

@@ -14,7 +14,7 @@
 
 
 from dataclasses import dataclass
-from typing import Tuple, Union
+from typing import Optional, Tuple, Union
 
 import torch
 
@@ -307,7 +307,9 @@ def encode(
         return AutoencoderTinyOutput(latents=output)
 
     @apply_forward_hook
-    def decode(self, x: torch.FloatTensor, return_dict: bool = True) -> Union[DecoderOutput, Tuple[torch.FloatTensor]]:
+    def decode(
+        self, x: torch.FloatTensor, generator: Optional[torch.Generator] = None, return_dict: bool = True
+    ) -> Union[DecoderOutput, Tuple[torch.FloatTensor]]:
         if self.use_slicing and x.shape[0] > 1:
             output = [self._tiled_decode(x_slice) if self.use_tiling else self.decoder(x) for x_slice in x.split(1)]
             output = torch.cat(output)

src/diffusers/models/consistency_decoder_vae.py

@@ -68,11 +68,76 @@ class ConsistencyDecoderVAE(ModelMixin, ConfigMixin):
     """
 
     @register_to_config
-    def __init__(self, encoder_args, decoder_args, scaling_factor, block_out_channels, latent_channels):
+    def __init__(
+        self,
+        scaling_factor=0.18215,
+        latent_channels=4,
+        encoder_act_fn="silu",
+        encoder_block_out_channels=(128, 256, 512, 512),
+        encoder_double_z=True,
+        encoder_down_block_types=(
+            "DownEncoderBlock2D",
+            "DownEncoderBlock2D",
+            "DownEncoderBlock2D",
+            "DownEncoderBlock2D",
+        ),
+        encoder_in_channels=3,
+        encoder_layers_per_block=2,
+        encoder_norm_num_groups=32,
+        encoder_out_channels=4,
+        decoder_add_attention=False,
+        decoder_block_out_channels=(320, 640, 1024, 1024),
+        decoder_down_block_types=(
+            "ResnetDownsampleBlock2D",
+            "ResnetDownsampleBlock2D",
+            "ResnetDownsampleBlock2D",
+            "ResnetDownsampleBlock2D",
+        ),
+        decoder_downsample_padding=1,
+        decoder_in_channels=7,
+        decoder_layers_per_block=3,
+        decoder_norm_eps=1e-05,
+        decoder_norm_num_groups=32,
+        decoder_num_train_timesteps=1024,
+        decoder_out_channels=6,
+        decoder_resnet_time_scale_shift="scale_shift",
+        decoder_time_embedding_type="learned",
+        decoder_up_block_types=(
+            "ResnetUpsampleBlock2D",
+            "ResnetUpsampleBlock2D",
+            "ResnetUpsampleBlock2D",
+            "ResnetUpsampleBlock2D",
+        ),
+    ):
         super().__init__()
-        self.encoder = Encoder(**encoder_args)
-        self.decoder_unet = UNet2DModel(**decoder_args)
+        self.encoder = Encoder(
+            act_fn=encoder_act_fn,
+            block_out_channels=encoder_block_out_channels,
+            double_z=encoder_double_z,
+            down_block_types=encoder_down_block_types,
+            in_channels=encoder_in_channels,
+            layers_per_block=encoder_layers_per_block,
+            norm_num_groups=encoder_norm_num_groups,
+            out_channels=encoder_out_channels,
+        )
+
+        self.decoder_unet = UNet2DModel(
+            add_attention=decoder_add_attention,
+            block_out_channels=decoder_block_out_channels,
+            down_block_types=decoder_down_block_types,
+            downsample_padding=decoder_downsample_padding,
+            in_channels=decoder_in_channels,
+            layers_per_block=decoder_layers_per_block,
+            norm_eps=decoder_norm_eps,
+            norm_num_groups=decoder_norm_num_groups,
+            num_train_timesteps=decoder_num_train_timesteps,
+            out_channels=decoder_out_channels,
+            resnet_time_scale_shift=decoder_resnet_time_scale_shift,
+            time_embedding_type=decoder_time_embedding_type,
+            up_block_types=decoder_up_block_types,
+        )
         self.decoder_scheduler = ConsistencyDecoderScheduler()
+        self.register_to_config(block_out_channels=encoder_block_out_channels)
         self.register_buffer(
             "means",
             torch.tensor([0.38862467, 0.02253063, 0.07381133, -0.0171294])[None, :, None, None],

tests/models/test_models_vae.py

@@ -303,39 +303,30 @@ def output_shape(self):
     @property
     def init_dict(self):
         return {
-            "encoder_args": {
-                "block_out_channels": [32, 64],
-                "in_channels": 3,
-                "out_channels": 4,
-                "down_block_types": ["DownEncoderBlock2D", "DownEncoderBlock2D"],
-            },
-            "decoder_args": {
-                "act_fn": "silu",
-                "add_attention": False,
-                "block_out_channels": [32, 64],
-                "down_block_types": [
-                    "ResnetDownsampleBlock2D",
-                    "ResnetDownsampleBlock2D",
-                ],
-                "downsample_padding": 1,
-                "downsample_type": "conv",
-                "dropout": 0.0,
-                "in_channels": 7,
-                "layers_per_block": 1,
-                "norm_eps": 1e-05,
-                "norm_num_groups": 32,
-                "num_train_timesteps": 1024,
-                "out_channels": 6,
-                "resnet_time_scale_shift": "scale_shift",
-                "time_embedding_type": "learned",
-                "up_block_types": [
-                    "ResnetUpsampleBlock2D",
-                    "ResnetUpsampleBlock2D",
-                ],
-                "upsample_type": "conv",
-            },
+            "encoder_block_out_channels": [32, 64],
+            "encoder_in_channels": 3,
+            "encoder_out_channels": 4,
+            "encoder_down_block_types": ["DownEncoderBlock2D", "DownEncoderBlock2D"],
+            "decoder_add_attention": False,
+            "decoder_block_out_channels": [32, 64],
+            "decoder_down_block_types": [
+                "ResnetDownsampleBlock2D",
+                "ResnetDownsampleBlock2D",
+            ],
+            "decoder_downsample_padding": 1,
+            "decoder_in_channels": 7,
+            "decoder_layers_per_block": 1,
+            "decoder_norm_eps": 1e-05,
+            "decoder_norm_num_groups": 32,
+            "decoder_num_train_timesteps": 1024,
+            "decoder_out_channels": 6,
+            "decoder_resnet_time_scale_shift": "scale_shift",
+            "decoder_time_embedding_type": "learned",
+            "decoder_up_block_types": [
+                "ResnetUpsampleBlock2D",
+                "ResnetUpsampleBlock2D",
+            ],
             "scaling_factor": 1,
-            "block_out_channels": [32, 64],
             "latent_channels": 4,
         }